chore(deps): Bump certbot from 4.2.0 to 5.1.0

Bumps [certbot](https://github.com/certbot/certbot) from 4.2.0 to 5.1.0.
- [Release notes](https://github.com/certbot/certbot/releases)
- [Commits](https://github.com/certbot/certbot/compare/v4.2.0...v5.1.0)

---
updated-dependencies:
- dependency-name: certbot
  dependency-version: 5.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -37,4 +37,4 @@ pydantic-settings==2.11.0
 annotated-types==0.7.0
 
 # SSL / ACME management
-certbot==4.2.0
+certbot==5.1.0